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The standard deviation of some temperatu...

The standard deviation of some temperature data in `.^(@)C` is `5` .If the data were converted into `.^(@)F` then variance would be

A

`81`

B

`57`

C

`36`

D

`25`

Text Solution

Verified by Experts

The correct Answer is:
A
`sigma_(c)=5 rArr 5/9(F-32)=C`
`F=(9C)/5+32`
`sigmaF^(2)=(9)^(2)=81`
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